Finding the Fourth Proportional to 87,825,798.06, 121,200,323.40 and 48,668,228.75
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Solution
The fourth proportional to 87,825,798.06, 121,200,323.40 and 48,668,228.75 is: 67,162,555.80
Step by Step Solution
- Step 1: Write the proportion equation
87,825,798.06 : 121,200,323.40 = 48,668,228.75 : x - Step 2: Convert to fraction form
87,825,798.06/121,200,323.40 = 48,668,228.75/x - Step 3: Cross multiply
87,825,798.06x = 121,200,323.40 × 48,668,228.75 - Step 4: Simplify right side
87,825,798.06x = 5,898,605,063,199,176 - Step 5: Solve for x
x = 5,898,605,063,199,176/87,825,798.06 - Step 6: Final answer
x = 67,162,555.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.